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TweenMax.ticker frames per second

Warning: Please note

This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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Hello GSAP,


Looking for a way to return the actual ticks per second and display on the browser so I know when the animations are getting heavy.


    function addListeners () {
        TweenMax.ticker.addEventListener("tick", handleTick);


   function handleTick(e){
         fps.innerHTML = Math.round(TweenMax.ticker.FPS) + " fps";

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I think this thread can help you.

Happy tweening.



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Yep, @PointC pointed to a useful thread that shows all the logic, but if you just want to use simple GSAP-specific code that, this should be a rough approximation: 


var fps = TweenLite.ticker.frame / TweenLite.ticker.time;


Just remember that it'll usually be less than 60 because the "time" starts measuring the moment the JS loads, but there's typically a bunch of other tasks that the browser must do initially (like reading/parsing HTML, rendering the page, subloading other files, etc., etc.) so that first few seconds it's quite likely that there will be a lower FPS. And this technique measures the OVERALL performance, not the moment-by-moment performance. If you need something like that, use one of the techniques discussed in that other thread. 


Happy tweening!

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